kbrain

CVE-2014-3509

MEDIUM · CVSS 6.8EPSS 12.9%EU EUVD

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

Key facts

CVSS score
6.8 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-362
EPSS score
12.9% (96th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2014-3510)
Published
August 13, 2014
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3510 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl
  • openssl / openssl

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain